astm f 899 medical instruments steel chronifer m-15 x

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Medical steel Instruments

ASTM F 899 M-15 X AISI 431 1.4057 X F-899 micro melt

Chronifer M-15 X 1.4057 X Instruments Medical Steel ASTM F 899

431 (X) ASTM F-899 micro melt Instruments Medical steel


The hardenable stainless CHRONIFER M-15 X (431 (X) is produced by a special powder metallurgic technology.
This technique allows a significant improvement of the properties of the steel.


Properties of 431 (X) F-899 micro melt Medical steel


431 (X) has a very fine microstructure and homogeneity, resulting in good processability, wear resistance and excellent polishing and corrosion resistance.
With this outstanding characteristics of CHRONIFER M-15X, the rejection rate in the production of finished parts is reduced, thus the needed material for the production is also lower.


Applications of 431 (X) F-899 micro melt


M-15 X meets the high quality requirements that are imposed on instruments in the medical and in the dental industry.
Its excellent hardenability, ductility and corrosion resistance ensures the manufacturing of precise, wear-resistant parts for this sector.
In medical engineering the steel is used for the production of gear parts, rotating instruments, surgical instruments like pliers, pincers or scissors, in the dental industry drills, gear parts for rotating instruments and more are manufactured from this material.

Brief description  
Designation Klein: CHRONIFER® M-15 X
Class of metals: Hardenable martensitic stainless steel
with N addition
Material number: 1.4057
Standard DIN: X 17 CrNi 16-2
Fusion: VIM + Micro-Melt®Powder metallurgy
Machinability: satisfactory
Hardening capability: up to 52-55 HRc
Polishing ability: very well adapted for mirror polishing
Corrosion resistance: up to good in the hardened, polished
and passivized condition
Magnetism: magnetic
Uses: medical, surgical and dental
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